Where is the auxiliary battery installed in the Mercedes-Benz GLC260?
3 Answers
The auxiliary battery of the Mercedes-Benz GLC260 is installed on the right side of the trunk. The auxiliary battery refers to the battery that powers the entertainment system, windows, doors, and lighting system during startup. Taking the 2021 Mercedes-Benz GLC260 as an example, its body dimensions are: length 4764mm, width 1898mm, height 1642mm, wheelbase 2973mm, and fuel tank capacity 66l. The 2021 Mercedes-Benz GLC260 is equipped with a 2.0l turbocharged engine, with a maximum power of 145 kilowatts and a maximum torque of 320 Newton meters, matched with a 9-speed automatic transmission.
As a technician who frequently works on Mercedes-Benz vehicles, I've encountered multiple GLC260 models where the auxiliary battery is typically installed beneath the trunk floor panel, near the spare tire well. In practical operation, after opening the trunk door and removing the carpet mat or storage compartment, you'll find it covered by a plastic box. This design is quite ingenious because the auxiliary battery primarily supports the start-stop system, and placing it there avoids the high temperatures of the engine compartment. However, its somewhat concealed location makes it prone to dust accumulation. I recall one instance where a customer complained about start-stop failure, and upon inspection, we found a loose connector. After cleaning it, everything returned to normal. I recommend periodically checking under the cover to ensure there's no moisture or corrosion, preventing it from causing issues on the road. If you're handling it yourself, be cautious with insulation—it's best left to professionals, as it involves high-voltage circuits, and safety should always come first.
I've been driving a Mercedes-Benz GLC260 for several years. The auxiliary battery is located in the lower part of the trunk, specifically in a small compartment near the spare tire. I first discovered it when the start-stop function became intermittent, and the dealer suggested checking it. Lifting the floor mat makes it easy to find, but avoid using excessive force to prevent damaging the interior. The placement is well thought out—it doesn't take up cabin space and offers good protection. For maintenance, I use a multimeter every year or two to check the voltage, ensuring it stays around 12V to prevent sudden failures. I also regularly clean the area and remove any debris when parking. I've replaced the battery once, and it was quick and straightforward. The key is to develop a habit of checking it to avoid the embarrassment of being stranded on the road.
